2958221 has 8 divisors (see below), whose sum is σ = 3579840. Its totient is φ = 2386368.

The previous prime is 2958173. The next prime is 2958223. The reversal of 2958221 is 1228592.

2958221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2958221 - 2¹⁰ = 2957197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2958223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12311 + ... + 12548.

It is an arithmetic number, because the mean of its divisors is an integer number (447480).

2^2958221 is an apocalyptic number.

It is an amenable number.

2958221 is a deficient number, since it is larger than the sum of its proper divisors (621619).

2958221 is a wasteful number, since it uses less digits than its factorization.

2958221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24883.

The product of its digits is 2880, while the sum is 29.

The square root of 2958221 is about 1719.9479643292. The cubic root of 2958221 is about 143.5523165522.

The spelling of 2958221 in words is "two million, nine hundred fifty-eight thousand, two hundred twenty-one".